Acoustical tack board
US4719730A · kind A · utility
40Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Dec 19, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2002/7475
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A demountable partition wall with laminated panels hung from a wall framework by clips applied to the back of the panel. The panels are sound absorbing tack boards, consisting essentially of a gypsum wallboard base board, a mineral fiber board core board and a porous decorative sheet of material adhered to the core board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.